Home / 7,144.65-10,718.67-2,982.33

Finding the Fourth Proportional to 7,144.65, 10,718.67 and 2,982.33

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Solution

The fourth proportional to 7,144.65, 10,718.67 and 2,982.33 is: 4,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144.65 : 10,718.67 = 2,982.33 : x
  2. Step 2: Convert to fraction form
    7,144.65/10,718.67 = 2,982.33/x
  3. Step 3: Cross multiply
    7,144.65x = 10,718.67 × 2,982.33
  4. Step 4: Simplify right side
    7,144.65x = 31,966,611.10
  5. Step 5: Solve for x
    x = 31,966,611.10/7,144.65
  6. Step 6: Final answer
    x = 4,474.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.